151242 has 32 divisors (see below), whose sum is σ = 373632. Its totient is φ = 39744.

The previous prime is 151241. The next prime is 151243. The reversal of 151242 is 242151.

151242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (151241) and next prime (151243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408 + ... + 684.

It is an arithmetic number, because the mean of its divisors is an integer number (11676).

2¹⁵¹²⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186816).

151242 is an abundant number, since it is smaller than the sum of its proper divisors (222390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151242 is a wasteful number, since it uses less digits than its factorization.

151242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its digits is 80, while the sum is 15.

The square root of 151242 is about 388.8984443271. The cubic root of 151242 is about 53.2791724479.

Adding to 151242 its reverse (242151), we get a palindrome (393393).

Subtracting 151242 from its reverse (242151), we obtain a palindrome (90909).

It can be divided in two parts, 1512 and 42, that multiplied together give a square (63504 = 252²).

The spelling of 151242 in words is "one hundred fifty-one thousand, two hundred forty-two".